How can I find out who is the hiring manager or lead recruiter on this posting?

if the company has entered these details then you will see them, they have this options but might not choose to use them., for many positions through online job services like ours the actually people that ill determine of you re the right candidate are not the ones entering the details into the system. once they contacted you, and they have also this option you will find out, we do not have the details for this.